506886663 has 4 divisors (see below), whose sum is σ = 675848888. Its totient is φ = 337924440.

The previous prime is 506886659. The next prime is 506886683. The reversal of 506886663 is 366688605.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 506886663 - 2² = 506886659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506886613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84481108 + ... + 84481113.

It is an arithmetic number, because the mean of its divisors is an integer number (168962222).

Almost surely, 2^506886663 is an apocalyptic number.

506886663 is a deficient number, since it is larger than the sum of its proper divisors (168962225).

506886663 is a wasteful number, since it uses less digits than its factorization.

506886663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168962224.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The square root of 506886663 is about 22514.1436212884. The cubic root of 506886663 is about 797.3278883572.

The spelling of 506886663 in words is "five hundred six million, eight hundred eighty-six thousand, six hundred sixty-three".